What are the symptoms of mononucleosis?- There is fatigued ness, and weakness for the first month. There's also high fever, swollen tonsils, or glands, or your spleen could burst open causing terrible pain.
Is mononucleosis contagious?- Yes Mononucleosis is contagious because if you kiss someone or sneeze on someone then there is a 50% chance that they can get it too.